Economists Use the Term Demand to Refer To

Economists use the term demand to refer to:

A) a particular price-quantity combination on a demand curve
B) the total amount spent on a particular product over a given time period
C) the amount of a product that consumers are willing to purchase at a certain price
D) the relationship between the various possible prices of a product and the quantities that consumers are willing to purchase at each price
E) the price charged to consumers to purchase a given quantity of a product